*{
    margin: 0;
    padding: 0;
}
nav{
    width: 100%;
    height: 70px;
    background-color: #fff;
    text-align: center;
    position: fixed;
    top: 0;
}
nav h2{
    height: 70px;
    color: #555;
    line-height: 70px;
    font-size: 24px;
}
header{
    width: 100%;
    height: 200px;
    /* height: ; */
    margin: 0 auto;
    background: url(../images/bg.jpg) repeat-y;
    background-size: 100%;
}
header>div{
    width: 1200px;
    height: 200px;
    margin: 70px auto 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing:border-box;
    padding-left: 300px;
    padding-right: 300px;
}
header>div div:nth-child(2) p{
    font-size: 20px;
    color: #555;
    text-align: center;
}
header>div div:nth-child(2) .firstp{
    font-size: 30px;
}
main{
    width: 1920px;
    height: 300px;
    margin: 0 auto;
    
}
main>div{
    width: 400px;
    height: 300px;
    margin: 0 auto;
    /* margin-top: 50px; */
    text-align: center;
    font-size: 20px;
}
main>div span{
    display: block;
    font-size: 14px;
}
main>div button{
    width: 200px;
    font-size: 20px;
    margin-top: 10px;
}
main>div label{
    color: #555;
    
}

.box{
    width: 400px;
    height: 50px;
    line-height: 50px;
    text-align: right;
    color: #555;
    margin: 0 auto;
}

.box a:hover{
    color: red;
}
.foot{
    width: 1920px;
    height: 150px;
    margin: 0 auto;
    
}
.foot>div{
    width: 400px;
    height: 150px;
    margin: 0 auto;
    /* margin-top: 50px; */
    text-align: center;
    font-size: 16px;
    color: #555;
}
.foot>div p{
    height: 25px;
    line-height: 25px;
    margin: 10px 0;
}
.foot>div p img{
    height: 100%;
}
.footer-con{
  width: auto;
  height: auto;
}